沪教牛津版七年级英语第四单元savethe trees复习

,Save the trees 拯救树木,-Miss Xu,重点单词掌握,重点单词复习,单词：save, pine, discuss, branch, fight, against, example, harmful, gas,produce oxygen, major, convenient, furniture, imagine, disease,重点单词掌握,一、save v. 拯救 gas n. 气体 pine n. 松树produce v. 产生；生产 discuss v. 讨论oxygen n. 氧气 branch n. 树枝 major adj. 主要的 fight v. 与作斗争convenient adj. 方便的 against prep. 反对furniture n. 家具example n. 例子 imagine v. 想象，设想harmful adj. 有害的 disease n. 疾病,重点短语复习,in many ways take in come from for example in fact look around be made of millions of stop doing sth be good for as a result cut down,在许多方面 吸收 来自 例如，举个例子 （补充细节）确切的说，实际上 环顾四周 由制成 大量的，数以百万计的 停下做某事（正在做的事情） 对.有益，对.有好处 结果，因此 砍到,重点单词讲解,1. save 除了意为“拯救”，还有“节省；储蓄”的意思。 You should do your best to save the person. 你应该尽你最大能力去解救这个人。 It will save a lot of money. 这会节省很多钱。 Children should learn to save. 孩子们应学会储蓄。 save money “存钱”。,2. discuss v. 讨论,【用法】 可构成词组：discuss sth. with sb. 意为“和某人讨论某事”。 He will discuss the problem with me . 他和我讨论这个问题。 【拓展】 discuss 的名词形式是discussion. “和某人讨论”可说成“have a discussion with sb.”,fight v. 与作斗争 ，打架,【用法】 fight的过去式为fought； fight可做不及物动词，如fight against “与作斗争”, fight for “为而战”. They fought against the enemy.与敌人作斗争。 fight也可做及物动词，“与作斗争”，直接跟宾语。 They fought the enemy bravely.勇敢与敌人作斗争。 fighter “战斗者”。 fire fighter 消防员,against prep. 反对,Against 是介词，反义词为“for”,意为“支持，拥护” Are you against or for the plan? 你是支持还是反对这个计划？,harmful adj. 对有害的,【用法】 Be harmful to 对有危害 Smoking is harmful to your health. 吸烟有害健康。 harm n. 损害；伤害 -ful是表肯定的形容词后缀，-less是表示否定的形容词后缀。harmless “无害的” This experiment was harmless to the animals. 这个试验不会对动物造成伤害。 Trees take in _ （harm; harmful; harmless） gas from the air. 答案：harmful,produce v. 产生；生产,produce，及物动词，意为“产生；生产”，后直接接宾语。 The factory produces 1000 cars a year. 这家工厂每月生产1000辆汽车。 product ,不可数名词，意为“产品，(尤指）农产品”。 He took the product to the market every Sunday. 他每周日把农产品送到市场上。,practise 练习,【用法】 宾语可以是名词，代词或动名词 You must practise speaking English every day. 你必须每天练习说英语。 practice 作不可数名词，意为“练习”，指经常性或系统的重复练习。 Playing the piano needs a lot of practice. 弹奏钢琴需要多加练习.,convenient adj. 方便的,【用法】 convenient 意为“使人感觉方便的”, be convenient for/to sb. 对某人来说很方便。（改错题） When are you convenient? 答案：When is it convenient for you? 思路分析：convenient 不可直接说“人很方便”。,imagine v. 想象；设想,【用法】 imagine sth./doing sth. “想象某事/做某事”。 I imagine living in a house with a big garden. 我设想住在一所带大花园的房子里。,即学即用,从方框中选择适当的单词完成下列句子。如有必要，须改变单词的形式。每个单词仅用一次。 disease, imagine, convenient, produce, save, harmful, against, discuss, fight, major 1. _yourself to be on a desert island. 2. Please call me when it is _for you. 3. Water exists in the soil in three _ forms. 4. I realized from his remarks that he was _the plan. 5. The _is spreading. 6. We _ them and take care of them. 7. Dont _ with him! He is a mad man. 8. Plants _ oxygen for us to breathe. 9. Freezing winter is _ to orange trees. 10. I have no time to _ your problems. 答案：1. Imagine 2. convenient 3. major 4. against 5. disease 6. save 7. fight 8. produce 9. harmful 10. discuss,【短语学习】,1. in many ways 在许多方面 way 可数名词，“方面，方式，道路”. Do it in your own way. 按你自己的方法去做吧. Its the best way to study English. 这是最好的方式去学习英语。 The little boy asked me the way to the park. 小女孩问我去公园的路。 by the way 顺便说一下,take in 吸收,【用法】 take 的过去式是took , take in 除了当“吸收”讲，还有“领会”的意思。 it easy to take in the meaning of the word. 很容易去领会这个单词的意思。 take off 脱下；起飞 take care of 照顾； take away 拿走,come from 来自,【用法】 come from 的同义词组是 be from. 【考题链接】 Where are you from? （同义句转换） Where _ you _ _? 答案：do; come from 思路分析：come from和be from同义。,in fact 事实上,【用法】 in fact 的同义词组是as a matter of fact。In fact (As a matter of fact), I didnt have anything. 事实上, 我什么也没有。,do ones best to do sth 尽某人最大的努力做某事 do ones best to do sth = try ones best to do sth 我们应该尽我们全力学习英语 。 We shoule do/try our best to learn English。 Protect动词“保护”，常与介词from连用。 Protectfrom,保护免受的伤害 戴太阳镜可以保护眼睛免受太阳的照射。 Wearing sunglasses can protect your eyes from the sun.,【用法】 look around 也可说成look round。 【考题链接】 You ought to go and _in that big store. A. look for B. look around C. look at D. look down,look around 环顾四周,四处看看,B,be made of 由制成,【辨析】 be made of , be made from 两个词组都有“由制成”的意思。,be made in 在地方制造,millions of 大量的；数以百万计的,【用法】 million前如有数词修饰则不能变复数，如两百万应说成“two million”. 当表示一个笼统的概念时，hundred,thousand million 等常用复数形式，且与介词of使用,修饰可数名词复数。,stop doing sth. 停止做某事,【辨析】stop doing sth. 和 stop to do sth.,【拓展】 stop 还有名词词性，意为“车站”,be good for 对有用；有好处,【用法】 be good for 的反义词组是“be bad for” 对.有害 【辨析】,【即学即练】,从方框中选择适当的短语完成下列句子。如有必要，须改变短语的形式。每个短语仅使用一次。 in many ways, come from, be made of, be good for, take in, for example, in fact, millions of, look around, stop doing sth. 1. It will _ her to be out in the sun. 2. How old are you and where do you _? 3. The air is full of _ invisible germs（微生物）. 4. _ I am not interested in maths. 5. It may _ cloth. 6. Shanghai is different from Nanjing_. 7. Fish _ oxygen through their gills. 8. Football, _, is very popular in the world. 9. _ ,and you can notice a car. 10. _ reading your book. There is someone knocking at the door. 答案：1. be good for 2. come from 3. millions of 4. In fact 5. be made of 6. in many ways 7. take in 8. For example 9. Look around 10. Stop,重点句型,1. They provide us with wood, fruit. 它们给我们提供木头，水果。 【句子分析】 provide sb. with sth. =provide sth. for sb.,2. They keep the air cool and clean.它们保持空气凉爽，干净。 【句析】 此句中的keep意为“使维持（某种状态）”。常构成如下句式： 1.keep + 名词 + 形容词 keep the classroom clean 保持教室干净 2.keep + 名词 +doing 【例句】 She kept me waiting for a long time. 她让我等了很长时间。,3. Trees also make our lives more convenient. 树也使我们的生活更方便了。 【句析】 此句中make意为“使怎么样”。常构成如下句式： 1）make sth./sb. + 形容词 【例句】 He tried to make them happy. 他设法使他们高兴。 2）make + sth./sb. do 【例句】 He made me stay with him. 他让我和他在一起。 How did you make the baby stop crying? 凌风是怎样使婴儿停止啼哭的？,【即学即练】,【考题链接】 1. We _ the students in that place with school things. A. gave B. take C. bring D. provide 2. We should do more exercise to keep us _. A. health B. healthy C. unhealthy D. ill 3. We are trying to make our city _. A. to become more beautiful B. to be less noisy C. more beautiful D. becoming less noisy 4.We often make him _ our children. A. he